FOURSTROKE
EVERY SECOND MATTERS
Born to surpass the demands of the world&rsquo. s top endurance racers,
the all-new Fourstroke utilizes 100mm of front and rear travel, plus the
revolutionary RAD integrated dropper post to deliver the sport&rsquo. s most
innovative XC race machine.
FOURSTROKE 01
Concept
The ultimate Cross Country race machine
The Fourstroke 01 is born to shave off seconds up and down the
toughest XC race courses.
Our holistic approach to look at the bike as an entire system allowed
us to develop our fastest and most intuitive race bike ever.
The first integrated XC dropper seatpost
RAD (Race Application Dropper) is the world&rsquo. s first integrated
XC dropper post. A genius engineering solution driven by our
athletes&rsquo. need for modern XC descending performance packed
into a featherweight system.
Big Wheel Concept Race Geometry, a new approach
The BWC Race (Big Wheel Concept) geometry supports a progressive
XC riding style through the wide-open head angle, long
front-end, short chainstays and an innovative stem design.
Built for efficiency
Accept no compromises with a lightweight chassis designed for
class-leading stiffness and lightning-fast sprints.
The refined APS (Advanced Pivot System) suspension deliver
pedaling efficiency, traction and control on every race course.
Details
Frameset
Frame Fourstroke 01 - Advanced Pivot System
(100mm travel), PF92 Bottom Bracket,
12 x 148mm Boost Thru-axle
Seatpost Race Application Dropper (RAD)
80mm Drop
Frame Technology RAD seatpost, Big Wheel Concept
Race Geometry
Sizes 4 sizes: S / M / L / XL
Frame Weight 2270g*
Seatpost weight 345g**
Integration
Frame Integrated seatpost
Internal cable routing
Integrated frame protections
Integrated fork stopper
Technical details
Frame 12 x 148mm Boost, 1.5&rdquo. Head Tube
Fork Tapered steerer 1-1/8&rdquo. to 1-1/2&rdquo.
44mm offset
100mm travel
Seatpost Race Application Dropper (RAD)
80mm Drop / elliptic shape (34.1x25.6mm)
Bottom Bracket PF92
Brakes Postmount 160 / 160***
Drivetrain 1x specific
Boost chainline
Replaceable standard or direct mount
rear derailleur hangers
Tires 58mm maximum width****
Misc. 38T maximum chainring (1X boost cranks)
185mm x 50mm metric shock,
trunnion mount, 20x8mm hardware
*Average sample weight with shock
and complete hardware (w/out rear axle)
**Average sample weight (w/out lever)
***Rotor sizes adapted for some frame sizes
****Tire dimensions based on measured tire width
FOURSTROKE 01 Frameset
- Fourstroke 01 - Advanced Pivot System, Race Application Dropper, PF92 Bottom Bracket,
- 12 x 148mm Thru-axle, 100mm Travel
- 01 Premium Carbon (F&. R)
- S / M / L/ XL
- Fox Float DPS, Factory, Evol, Kashima, Remote
- BMC RAD 80mm Drop
- BMC RAD 80mm Drop
- Carbon &. Red
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